Witches. He'd heard that witches were deep in the woods, beyond the walls of castle black and he'd with a few other men been sent to capture one.

He traveled deep through the woods, men following behind. He came upon an area that seemed off and hid behind a tree. A young girl(you) came out of the trees in a white thin dress, almost see-through.

"...get her." He muttered and one of the men lunged forward and grabbed you, putting his hand over your mouth as Jon watched.